Marine Weather Net

Arnold, MD Weather Forecast




Arnold, Maryland

 Lat: 39.04N, Lon: 76.5W

Current Conditions Updated: 1054 AM EDT FRI AUG 14 2026

Mostly Cloudy
Temp: 80°F
  • Humidity:
  • 74%
  • Winds:
  • 6 MPH NNE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.06 in.
  • Dewpoint:
  • 71°F
  • Heat index:
  • 84°F

  • Sunrise:
  • 6:17 AM EDT
  • Sunset:
  • 8:01 PM EDT
  • Moonrise:
  • 8:24 AM EDT
  • Moonset:
  • 9:04 PM EDT

REST OF TODAY

CHANCE OF SHOWERS
Hi: 89°F
Lo: 71°F
Precip: 40%

SATURDAY

MOSTLY SUNNY
Hi: 89°F
Lo: 71°F

SUNDAY

PARTLY SUNNY
Hi: 85°F
Lo: 75°F
Precip: 70%

MONDAY

MOSTLY SUNNY
Hi: 90°F
Lo: 71°F
Weather Forecast In Detail:
Forecast Issued: 1017 AM EDT Fri Aug 14 2026

Rest Of Today...Mostly cloudy. A slight chance of showers late this morning, then a chance of showers with a slight chance of thunderstorms this afternoon. Highs in the upper 80s. Northeast winds around 5 mph. Chance of rain 40 percent.
Tonight...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the lower 70s. Northeast winds around 5 mph. Chance of rain 40 percent.
Saturday...Mostly sunny. Highs in the upper 80s. Northeast winds 5 to 10 mph.
Saturday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 70s. Southeast winds around 5 mph.
Sunday...Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. South winds 10 to 15 mph. Chance of rain 70 percent.
Sunday Night...Showers likely with a chance of thunderstorms. Lows in the mid 70s. Chance of rain 70 percent.
Monday...Mostly sunny. Highs around 90.
Monday Night...Partly cloudy. Lows in the lower 70s.
Tuesday...Sunny. Highs in the upper 80s.
Tuesday Night...Mostly clear. Lows in the upper 60s.
Wednesday...Sunny. Highs in the upper 80s.
Wednesday Night...Partly cloudy. Lows in the lower 70s.
Thursday...Mostly sunny with a chance of showers. Highs in the lower 90s. Chance of rain 30 percent.
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